<template>
  <div class="login-container">
    <!-- <div class="login-version" v-if="sysConfig && sysConfig.sysVersion">
      <p class="login-version-text">{{ sysConfig.sysVersion }}</p>
    </div> -->
    <div class="login-left">
      <!-- <a class="login-company-logo" target="_blank" href="https://www.workflowsoft.com">
        <img class="login-company-logo-img" src="../../assets/images/login-company-logo.png" alt="">
      </a>
      <img class="login-banner" src="../../assets/images/login-banner.png" alt="">
      <div class="login-left-txt" v-if="showTxt">
        <p class="title1">在线自动化，可视化系统开发，零代码实现80%的基础功能</p>
        <p class="title2">已帮助<span>20000+</span>家企业完成数字化转型升级</p>
        <a class="link" target="_blank" href="https://www.workflowsoft.com">了解更多</a>
      </div> -->
    </div>
    <div class="login-content">
      <div class="login-form">
        <img class="login-logo" src="../../assets/images/login-logo.png" alt="">
        <!-- <div class="login-tab" :class="'active' + active">
          <a class="item" :class="{ 'active': active == 1 }" @click="active = 1">{{ $t('login.title') }}</a>
          <a class="item" :class="{ 'active': active == 2 }" @click="active = 2">{{ $t('login.scanTitle') }}</a>
        </div> -->
        <el-form v-show="active == 1" ref="loginForm" :model="loginForm" :rules="loginRules" autocomplete="on"
          label-position="left">
          <el-form-item prop="account">
            <el-input ref="account" v-model="loginForm.account" :placeholder="$t('login.username')" name="account"
              type="text" tabindex="1" autocomplete="on" prefix-icon="el-icon-user" size="large" @change="getConfig">
            </el-input>
          </el-form-item>
          <el-form-item class="rule-tip">{{ $t('login.rule') }}</el-form-item>
          <el-tooltip v-model="capsTooltip" :content="$t('login.upper')" placement="right" manual>
            <el-form-item prop="password">
              <el-input ref="password" v-model="loginForm.password" show-password :placeholder="$t('login.password')"
                name="password" tabindex="2" autocomplete="on" @keyup.native="checkCapslock" @blur="capsTooltip = false"
                prefix-icon="el-icon-lock" size="large"></el-input>
              <!-- @keyup.enter.native="handleLogin" -->
            </el-form-item>
          </el-tooltip>
          <el-form-item prop="code" v-if="needCode">
            <el-row type="flex" justify="space-between">
              <el-col class="sms-input">
                <el-input v-model="loginForm.code" :placeholder="$t('login.codeTip')" name="code" autocomplete="on"
                  prefix-icon="el-icon-key" size="large">
                </el-input>
              </el-col>
              <el-col class="sms-right code-right">
                <el-tooltip :content="$t('login.changeCode')" placement="bottom">
                  <img id="imgcode" :alt="$t('login.changeCode')" :src="define.comUrl + imgUrl" @click="changeImg">
                </el-tooltip>
              </el-col>
            </el-row>
          </el-form-item>
          <el-button :loading="loading" type="primary" class="login-btn" size="large"
            @click.native.prevent="handleLogin">{{ $t('login.logIn') }}</el-button>
        </el-form>
        <div v-show="active == 2" class="login-form-QRCode">
          <img class="qrcode-img" src="../../assets/images/login_qr.png">
          <p class="qrcode-tip">正在测试,稍后上线</p>
        </div>
      </div>
    </div>
    <!-- <div class="login-foot">Copyright 滔滔信息技术有限公司, All Rights Reserved. 沪ICP备17044791号-1
      助力企业和团队快速实现目标</div> -->
  </div>
</template>

<script>
import { getConfig } from '@/api/user'
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        account: '',
        password: '',
        code: '',
        origin: 'password'
      },
      loginRules: {
        account: [
          { required: true, trigger: 'blur', message: this.$t('login.accountTip') }
        ],
        password: [
          { required: true, trigger: 'blur', message: this.$t('login.passwordTip') }
        ],
        code: [
          { required: true, trigger: 'blur', message: this.$t('login.codeTip') }
        ],
      },
      imgUrl: "",
      timestamp: '',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      needCode: false,
      codeLength: 4,
      redirect: undefined,
      showTxt: false,
      otherQuery: {},
      active: 1
    }
  },
  computed: {
    sysConfig() {
      return this.$store.state.settings.sysConfig
    },
    loginLoading() {
      return this.$store.state.user.loginLoading
    }
  },
  watch: {
    loginLoading(val) {
      if (!val) this.loading = false
    },
    $route: {
      handler: function (route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    const _this = this
    document.onkeydown = function (e) {
      const { keyCode } = e
      if (keyCode === 13) {
        _this.handleLogin()
      }
    }
    if (this.needCode) this.changeImg()
  },
  mounted() {
    this.$store.commit('user/SET_LOGIN_LOADING', false)
    this.setShowTxt()
    window.onresize = () => {
      this.setShowTxt()
    }
  },
  destroyed() {
    document.onkeydown = function (e) {
      const { keyCode } = e
      if (keyCode === 13) { }
    }
  },
  methods: {
    setShowTxt() {
      if (document.documentElement.clientHeight <= 840) {
        this.showTxt = false
      } else {
        this.showTxt = true
      }
    },
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && key >= 'A' && key <= 'Z'
    },
    getConfig(val) {
      if (!val) return
      getConfig(this.loginForm.account).then(res => {
        this.needCode = !!res.data.enableVerificationCode
        if (this.needCode) {
          this.codeLength = res.data.verificationCodeNumber || 4
          this.changeImg()
        }
      })
    },
    handleLogin() {
      if (this.loading) return
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.commit('user/SET_LOGIN_LOADING', true)
          const query = {
            ...this.loginForm,
            timestamp: this.timestamp
          }
          this.$store.dispatch('user/login', query).then(res => {
            this.$router.push({
              path: this.redirect || '/home',
              query: this.otherQuery
            })
          }).catch(() => {
            this.$store.commit('user/SET_LOGIN_LOADING', false)
          })
        } else {
          return false
        }
      })
    },
    changeImg() {
      let timestamp = Math.random()
      this.timestamp = timestamp
      this.imgUrl = `/api/oauth/ImageCode/${this.codeLength || 4}/${timestamp}`
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
  }
}
</script>

<style lang="scss" scoped>
@import './index.scss';
</style>
